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South East

Windsor and Maidenhead planning statistics

Householder applications decided in the year to June 2026, compared with the rest of England.

Within 8 weeks, no extension

72.9%

89th of 297

10.2 points faster than England

Granted

76.5%

293rd of 297

14.0 points lower than England

Extension of time

23.9%

90th of 297

8.4 points lower than England

Decisions (12 months)

850

Windsor and Maidenhead decided 850 householder applications in the year to June 2026, granting 76.5%.

72.9% were decided within 8 weeks with no extension, against 62.7% across England (89th of 297 for speed).

A further 23.9% were decided under an extension of time agreed with the applicant.

That is up from 66.2% a year earlier.

Of 40 householder appeals decided in the same period, 27.5% were allowed.

How quickly decisions are made

Windsor and Maidenhead against England, share of householder decisions each quarter

  • Within 8 weeks, no extension
  • Extension of time
  • England, within 8 weeks
Source: MHCLG PS2, OGL v3. Chart: buildwiz.uk
Show data
QuarterWithin 8 weeks, no extensionExtension of timeEngland, within 8 weeks
2008 Q194.9%0.0%89.5%
2008 Q288.4%0.0%89.4%
2008 Q389.5%0.0%89.7%
2008 Q494.6%0.0%90.3%
2009 Q192.9%0.0%90.3%
2009 Q295.7%0.0%91.7%
2009 Q396.7%0.0%91.4%
2009 Q497.2%0.0%91.0%
2010 Q197.3%0.0%88.8%
2010 Q298.8%0.0%89.8%
2010 Q395.3%0.0%88.4%
2010 Q498.9%0.0%87.7%
2011 Q195.9%0.0%86.4%
2011 Q295.0%0.0%85.9%
2011 Q397.9%0.0%84.9%
2011 Q498.0%0.0%84.9%
2012 Q196.7%0.0%83.7%
2012 Q297.8%0.0%84.2%
2012 Q396.0%0.0%82.9%
2012 Q497.8%0.0%85.2%
2013 Q194.2%0.0%85.7%
2013 Q297.3%0.0%86.3%
2013 Q394.4%0.0%85.3%
2013 Q494.4%0.0%86.3%
2014 Q193.8%0.0%85.4%
2014 Q294.7%0.0%84.9%
2014 Q395.6%0.0%82.5%
2014 Q495.4%0.0%82.1%
2015 Q184.1%0.4%80.4%
2015 Q266.2%0.0%80.6%
2015 Q351.7%2.1%79.2%
2015 Q451.3%11.4%80.0%
2016 Q175.3%10.8%78.3%
2016 Q271.6%12.2%79.8%
2016 Q371.3%18.2%77.7%
2016 Q465.4%24.4%78.0%
2017 Q151.4%28.9%77.3%
2017 Q250.0%31.4%78.5%
2017 Q360.1%30.7%76.1%
2017 Q470.3%23.8%77.1%
2018 Q163.9%22.4%73.7%
2018 Q272.9%22.7%74.0%
2018 Q376.5%19.5%72.7%
2018 Q478.2%16.4%72.7%
2019 Q172.5%23.6%69.9%
2019 Q273.8%22.8%72.1%
2019 Q375.3%18.1%69.6%
2019 Q474.4%21.2%71.5%
2020 Q175.7%17.4%68.4%
2020 Q257.9%30.9%63.9%
2020 Q364.4%24.8%63.8%
2020 Q466.9%25.8%65.3%
2021 Q161.0%27.9%59.4%
2021 Q256.8%31.6%58.4%
2021 Q351.9%35.1%53.1%
2021 Q439.7%44.0%53.0%
2022 Q147.2%37.3%51.6%
2022 Q253.2%35.8%56.0%
2022 Q361.7%28.9%53.3%
2022 Q447.9%34.7%54.1%
2023 Q150.7%38.4%53.5%
2023 Q261.1%29.1%58.5%
2023 Q342.9%48.6%59.0%
2023 Q448.9%42.5%59.8%
2024 Q150.8%43.7%58.8%
2024 Q253.3%42.4%64.4%
2024 Q359.0%35.1%64.2%
2024 Q461.3%31.5%65.6%
2025 Q167.8%29.2%62.1%
2025 Q274.9%18.6%65.0%
2025 Q375.9%19.8%62.5%
2025 Q469.6%26.3%64.7%
2026 Q178.5%18.5%60.6%
2026 Q267.3%32.2%62.7%

Share of applications granted

Windsor and Maidenhead against England

  • Windsor and Maidenhead
  • England
Source: MHCLG PS2, OGL v3. Chart: buildwiz.uk
Show data
QuarterWindsor and MaidenheadEngland
2008 Q188.2%85.1%
2008 Q291.9%86.1%
2008 Q386.0%86.3%
2008 Q483.1%85.3%
2009 Q182.3%85.9%
2009 Q287.5%86.8%
2009 Q392.0%87.4%
2009 Q485.6%86.9%
2010 Q189.8%87.0%
2010 Q292.9%88.0%
2010 Q390.5%87.7%
2010 Q489.1%87.5%
2011 Q189.6%87.9%
2011 Q290.3%88.5%
2011 Q394.0%88.3%
2011 Q491.2%88.3%
2012 Q193.3%88.2%
2012 Q293.1%89.2%
2012 Q392.3%89.0%
2012 Q492.3%88.9%
2013 Q190.0%89.8%
2013 Q294.9%90.6%
2013 Q393.5%90.3%
2013 Q492.5%89.6%
2014 Q194.9%89.8%
2014 Q292.1%90.5%
2014 Q389.1%90.0%
2014 Q489.3%89.2%
2015 Q193.8%89.3%
2015 Q296.0%90.2%
2015 Q392.4%90.0%
2015 Q493.8%89.2%
2016 Q186.9%90.0%
2016 Q290.6%90.3%
2016 Q393.4%90.2%
2016 Q488.0%89.7%
2017 Q189.3%89.9%
2017 Q289.1%90.5%
2017 Q381.9%90.0%
2017 Q484.9%90.1%
2018 Q186.0%90.5%
2018 Q290.0%91.0%
2018 Q389.3%91.2%
2018 Q485.7%90.5%
2019 Q181.7%90.3%
2019 Q285.2%91.0%
2019 Q387.8%90.6%
2019 Q486.0%89.8%
2020 Q185.9%89.9%
2020 Q285.4%90.2%
2020 Q387.3%90.6%
2020 Q485.7%90.3%
2021 Q186.9%90.9%
2021 Q290.5%91.2%
2021 Q388.3%91.0%
2021 Q489.1%90.1%
2022 Q189.4%90.0%
2022 Q289.8%90.4%
2022 Q386.0%89.8%
2022 Q479.5%89.4%
2023 Q180.1%89.3%
2023 Q280.8%89.2%
2023 Q383.0%88.6%
2023 Q476.8%88.2%
2024 Q183.3%88.2%
2024 Q276.9%89.1%
2024 Q372.1%89.4%
2024 Q469.4%88.6%
2025 Q167.0%89.3%
2025 Q266.3%90.4%
2025 Q375.1%90.1%
2025 Q472.9%90.1%
2026 Q183.1%90.6%
2026 Q276.0%91.0%

How long decisions took

Householder decisions over the last 12 months

  • Within 8 weeks72.9%
  • 8 to 13 weeks2.4%
  • 13 to 26 weeks0.8%
  • Over 26 weeks0.0%
  • Extension of time agreed23.9%
Source: MHCLG PS2, OGL v3. Chart: buildwiz.uk
Show data
Time takenDecisions
Within 8 weeks620
8 to 13 weeks20
13 to 26 weeks7
Over 26 weeks0
Extension of time agreed203

Appeals

Decided
40
Allowed
27.5%
Median wait
17 weeks

Householder appeals to the Planning Inspectorate decided in the same 12 months. England: 34.4% allowed.

Local constraints

  • Windsor and Maidenhead has published 26 conservation areas.
  • Windsor and Maidenhead has not published Article 4 data to the national planning data platform.

Both can remove permitted development rights. Not every council has published its data yet, so check with the council before relying on permitted development.

Next steps for your extension

Compare every council · How we calculate these figures

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